Versions of PHP

Versions of PHP :-

1     PHP 1.0 (1995) :-

i ) Rasmus Lerdorf implemented PHP 1.0 using ‘C’ & ‘Perl’ Softwares.

ii ) It is not a server side scripting language

2     PHP 2.0 (1997):-

i )  Rasmus Lerdorf implemented PHP 2.0 as partially server-side scripting language

ii ) PHP 2.0 supports different types of Database servers.

iii ) we can implement some types of modules using 2.0 those are registration,  login, etc..

3     PHP 3.0 (1998) : -

i ) PHP 3.0 Fully server side scripting language.

ii ) Zeev Suraski & Andi Gutmans rewritten the functionalities of PHP from scrotch. On released it 3.0 as fully server-side scripting language.

iii) PHP 3.0 supports different platforns (Operating systems)

iv) Personal Homepage os renamed as Hypertext Preprocessor with this verson

4     PHP 4.0 (2000) :-

i)                    PHP 4.0 is a cross server, it supports IIS, APACHE, TOMCAT etc.

ii)                   Zend engine 1.0 is introduced in PHP 4.0, Zend Engine is Runtime  Environment o f PHP application

iii)                 Smarty templation system is introduced with this version, we can simply develop the application with predefined templates.

5     PHP 5.0 (2004 - 2005) : -

i)                    The major upgrade of PHP 5.0 is Object Oriented Proframing support

ii)                   Zend Engine 2.0 is introduced with PHP 5.0

iii)                 XML and Webservices related classes are introduced with PHP 5.0

6     PHP 6.0  :-

i)                    The main focus of PHP 6.0 is Unicode support means programmer can able to name their calsses and methods with their native languages.

ii)                   Some advanced object oriented programming concepts introduced with php 6.0 . those are namespaces and late static binding.